100In addition and moreover, in accordance with the case-law recalled in paragraph 65 of this judgment, traffic and location data cannot be the object of general and indiscriminate retention for the purpose of combating serious crime and, therefore, access to those data cannot be justified for that same purpose. Where those data have exceptionally been retained in a general and indiscriminate way for the purpose of the safeguarding of national security against a genuine and present or foreseeable threat, in the circumstances referred to in paragraph 58 of this judgment, the national authorities competent to undertake criminal investigations cannot access those data in the context of criminal proceedings, without depriving of any effectiveness the prohibition on such retention for the purpose of combating serious crime, recalled in paragraph 65.
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